/*
    Carracci Systems - Carracci Server (openbam project)
    Copyright (C) 2007  Carracci Systems

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package org.openbam.core.expr;

/**
 * @author inder
 */
public class SimpleAverage extends BinaryExpression {

    public SimpleAverage() {
        super.setName("SimpleAverage");
    }

    protected Object operate(Object lhsValue, Object rhsValue) {
        Double d1 = TypeConvertor.doubleValue(lhsValue);
        Double d2 = TypeConvertor.doubleValue(rhsValue);

        return new Double((d1+d2)/2);
    }

    public IExpression newInstance() {
        BinaryExpression be = new SimpleAverage();
        be.lhs = this.lhs;
        be.rhs = this.rhs;
        return be;
    }
}
